Number of classes taught by adjunct instructors

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Thirty percent of math classes at South Seattle College are taught by adjunct (part-time) instructors. Suppose fifteen classes are chosen randomly. We are interested in the number of these classes that are taught by adjunct instructors.

Let x be the number of classes taught by adjunct instructors, then x has a binomial distribution, with n = 15 and p = 0.30.

Find the following:

Round your answers to one decimal place:

a. The mean of the distribution is ______________ adjuncts.

b. The standard deviation of the distribution is________________ adjuncts.

Reference no: EM132166910

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